名校
1 . 1.已知等差数列
的前
项和为
,满足
,
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61764d97daa71e1fe31337c2e3811b4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de6ff9003520294adbe7eee1f2f972c9.png)
A.![]() ![]() | B.![]() ![]() | C.![]() ![]() | D.![]() ![]() |
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10卷引用:浙江省丽水市外国语实验学校2020-2021学年高三上学期期末数学试题
浙江省丽水市外国语实验学校2020-2021学年高三上学期期末数学试题(已下线)思想01 函数与方程思想 第三篇 思想方法篇(讲) 2021年高考二轮复习讲练测(浙江专用)(已下线)思想04 化归与转化思想 第三篇 思想方法篇(讲)-2021年高考二轮复习讲练测 (浙江专用)重庆市缙云教育联盟2020-2021学年高一上学期期末数学试题浙江省温州市瑞安中学2020-2021学年高三上学期1月测试数学试题浙江省金华市义乌市2020-2021学年高三上学期第一次模拟考试数学试题上海市普陀区2022届高三上学期11月调研测试(0.5模)数学试题(已下线)选择性必修第二册综合检测卷-2021-2022学年高二数学特色专题卷(人教A版2019选择性必修第二册)浙江省金华第一中学2021-2022学年高一领军班下学期期中数学试题海南省琼海市嘉积中学2023-2024学年高二下学期期中数学试题(B卷)
2 . 已知集合
,
.
(1)当
时,求
,
;
(2)若
,求实数
的取值范围.
(3)集合
,若“
”是“
”的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db5fe71d93bd5e4c158af102647ca187.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bea769baf76197e50e43cc741c15c62.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ad9b410859faa2da87d130dcb13e7cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3eb5935678e432e6f1f3180bfdb3175.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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解题方法
3 . 已知集合A={x|x2﹣4ax+3a2<0},集合B={x|(x﹣3)(2﹣x)≥0}.
(1)当a=1时,求A,B;
(2)设a>0,若“x∈A”是“x∈B”的必要不充分条件,求实数a的取值范围.
(1)当a=1时,求A,B;
(2)设a>0,若“x∈A”是“x∈B”的必要不充分条件,求实数a的取值范围.
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4 . 已知平面α,直线m,n满足
,
,则“n⊥m”是“n⊥α”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18850e21de9566753f50b54d19a2bbfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7421a75946f9a1c1fc3b0d7ac5b9c922.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
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5 . “
”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bea2f871d6a05af4839cf84111384dc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11b8fd017c03132317d72e603c089bd5.png)
A.充分而不必要条件 | B.必要而不充分条件 | C.充要条件 | D.既不充分也不必要条件 |
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名校
解题方法
6 . 如图所示,在平行四边形
中,
为
中点,
,
,
.沿着
将
折起,使
到达点
的位置,且平面
平面
.若点
为
内的动点,且满足
,则点
的轨迹的长度为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32c38dfd14dde969702dff97ef2270f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ead1eda1ca5b67586379a09a4c3540b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea147ada4f0aefdd3808a6a1133792eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/595648b2662f49e0fdd4e36e018ab551.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fa7bbd7831e9ff4f8cffc8889d34f05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34dbf33492e5223df78dea34a24ae015.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e58883b072df2e549a72f6134708fe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/19/1fda64d3-2e76-4c61-8ba2-f3eadccf78c4.png?resizew=214)
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7卷引用:浙江省丽水市高中发展共同体2020-2021学年高二下学期期中联考数学试题
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7 . 如图,已知
,
,
,
,
,将
沿着直线
折至
,使得点
在平面
上的射影点
落在直线
上,则当
满足下列什么条件时,
有值( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/28/c6b7737e-6bef-4602-bea9-621d606e5ef4.png?resizew=143)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080ca48cd27d4bf9d9ef084b558fc17a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e2a44d05b1d387150c4b359e021ffc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f8eeeea1c9652cacce976f8129cf520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea147ada4f0aefdd3808a6a1133792eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2464605dd0863dd18cea8a3e8489eb00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b3dc5c074faf09d4498fb2aa2d51b90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/522230546d4b802094e86ceb48c2ba38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23dc2d2dd56fcc67698c45a6e0e48f80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f90026b96116424a245b335b1adb886b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/28/c6b7737e-6bef-4602-bea9-621d606e5ef4.png?resizew=143)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
8 . 已知向量
,
满足
,
,且
与
夹角为
,则“
”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a92e6eba8dab638fd66831cd3a0b6d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/427fa45527d0ce469bfd060bf6f991f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9722f8a42160ce6b768c05e2e1aaeaab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0867e7f69f641c00d66fcd0e40d68e73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a92e6eba8dab638fd66831cd3a0b6d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/427fa45527d0ce469bfd060bf6f991f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5df86ff16881fa2f7e31191331c07036.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bc1f08c7640e62e8717abf4d44a6c83.png)
A.必要而不充分条件 | B.充分而不必要条件 |
C.充分必要条件 | D.既不充分也不必要条件 |
您最近一年使用:0次
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9 . 已知直线
,
,
和平面
,
,则
是
的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a9dd2a1de513b11d1f2b855280b8de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94ff79a4fb077414ac3895507f5efaf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a7b358af02ec390f49449dd0a135789.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
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|
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2卷引用:浙江省丽水市2020-2021学年高二下学期期末数学试题
名校
解题方法
10 . 已知平面向量
满足
,
,
,且对于任意的
,恒有
,若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3828524ec4c32950fbdceba88da6055f.png)
,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96022a881e03e32d3483d997c3f170c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd18461fd9d77e6fa46a654f0ab540f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3700dbd77c373eb91878b3d2b163b702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bde7eb04169cc1b553d49e02e8a3e8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5178aec149c91bc1d2c97f4841d4994a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3828524ec4c32950fbdceba88da6055f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f69fbdf97dadf8865375ecda3e7b5e9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febf7413b35cf2889fdb57a6b519087c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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